Cheap United flights Seattle (SEA) to Shannon (SNN)

Cheap United flights Seattle (SEA) to Shannon (SNN)

Prices were available within the past 7 days and start at for one-way flights and $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 12 - Tue, Sep 22

SEA

Seattle

SNN

Shannon

$500 Roundtrip, found 10 hours ago

$500

Roundtrip

found 10 hours ago

Select United flight, departing Sat, Sep 12 from Seattle to Shannon, returning Tue, Sep 22, priced at $500 found 10 hours ago

Sat, Sep 12 - Tue, Sep 22

SEA

Seattle

SNN

Shannon

$702 Roundtrip, found 10 hours ago

$702

Roundtrip

found 10 hours ago

Select United flight, departing Sat, Sep 12 from Seattle to Shannon, returning Tue, Sep 22, priced at $702 found 10 hours ago

Sat, Sep 12 - Tue, Sep 22

SEA

Seattle

SNN

Shannon

$704 Roundtrip, found 10 hours ago

$704

Roundtrip

found 10 hours ago

Select United flight, departing Sat, Sep 12 from Seattle to Shannon, returning Tue, Sep 22, priced at $704 found 10 hours ago